After much anticipation, the unlikely meeting of the two worlds unfolded on Wednesday's installment of "Abbott Elementary." ...

TV schedule really started off perfectly with a hilarious crossover of Abbott Elementary and It’s Always Sunny in ...

The anticipation for Abbott Elementary and It’s Always Sunny crossover episode has been building up among the fans of both shows for months, and Part 1 of it is finally here. Aired as Season 4 Episode ...

Here's some background and inside jokes to help fill in some of the gaps for viewers who don't watch both Philly-based shows.

The Abbott Elementary & It's Always Sunny In Philadelphia crossover had some ridiculous rivalries, but Charlie got a ...

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In true Abbott Elementary fashion, “Testing” was full of shenanigans. Janine found herself reeling after her second graders ...

The star of the FX series also admits he was initially hesitant about the crossover concept as 'It's Always Sunny in ...

ABC and Quinta Brunson's Abbott Elementary is returning for Season 5 - and the crossover with It's Always Sunny in ...

Here's a look at our real-time thoughts on tonight's crossover between FXX's It's Always Sunny in Philadelphia and ABC's Abbott Elementary.

As of Jan. 9, the episode is available to stream on Hulu. The second crossover is expected to be an episode of "It's Always Sunny in Philadelphia," which has aired on FXX since 2013.

Don’t miss the unexpected twist when Ava announces that a group of volunteers from the school district will be coming to lend a hand at Abbott Elementary.